Sharp cd c 831 w service manual

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Page 1

CD-C831 W

SHARP SERVICE MANUAL

No. $5934CDC831W/

CD-C831 W

CD-CBS1 W mini component system consisting of CD-0831 W
(Main unit), CP-C831 (Front speaker) and GBOXSOOZSAWM1
(Surround speaker).

- In the interests of user-safety the set should be restored to its

COMPACT ori inal condition and onl arts identical to those 5 ecified be
dl S VING ENER Y S; y p p

SIAN HY IOWFR
Egg CONSUMPTION 0.8W

DIGITAL AUDIO

CONTENTS -

SAFETY PRECAUTION FOR SERVICE MANUAL
VOLTAGE SELECTION
SPECIFICATIONS .....
NAMES OF PARTS
OPERATION MANUAL.
DISASSEMBLY...
REMOVING AND
ADJUSTMENT ......................................
NOTES ON SCHEMATIC DIAGRAM
BLOCK DIAGRAM ................................
SCHEMATIC DIAGRAM / WIRING SIDE OF P.W.BOARD.
VOLTAGE
WAVEFORM .
TROUBLESHOOTING (CD SECTION
FUNCTION TABLE OF IC.
FL DISPLAY ......................
PARTS GUIDE/EXPLODED VIEW

)

This document has been published to be used

SHARP CORPORATION lor after sales service only.

The contents are subject to change without notice.

Page 1

CD-C831 W

SHARP SERVICE MANUAL

No. $5934CDC831W/

CD-C831 W

CD-CBS1 W mini component system consisting of CD-0831 W
(Main unit), CP-C831 (Front speaker) and GBOXSOOZSAWM1
(Surround speaker).

- In the interests of user-safety the set should be restored to its

COMPACT ori inal condition and onl arts identical to those 5 ecified be
dl S VING ENER Y S; y p p

SIAN HY IOWFR
Egg CONSUMPTION 0.8W

DIGITAL AUDIO

CONTENTS -

)

This document has been published to be used

SHARP CORPORATION lor after sales service only.

The contents are subject to change without notice.

Page 2

CD-C831 W

SAFETY PRECAUTION FOR SERVICE MANUAL

WARNINGS
THE AEL (ACCESSIBLE EMISSION LEVEL) OF THE LASER POWER OUTPUT IS LESS THAN CLASS 1 BUT THE LASER
COMPONENT IS CAPABLE OF EMITTING RADIATION EXCEEDING THE LIMIT FOR CLASS 1. THEREFORE IT IS
IMPORTANT THATTHE FOLLOWING PRECAUTIONS ARE OBSERVED DURING SERVICING TO PROTECTYOUR EYES
AGAINST EXPOSURE TO THE LASER BEAM.
1-WHEN THE CABINET IS REMOVED, THE POWER IS TURNED ON WITDOUT A COMPACT DISC IN POSITION ANDTHE
PICK-UP IS ON THE OUTER EDGE THE LASER WILL LIGHT FOR SEVERAL SECONDS TO DETECT A DISC. DO NOT
LOOK INTO THE PICK-UP LENS.
2-THE LASER POWER OUTPUT OF THE PICK-UP UNIT AND REPLACEMENT SERVICE PARTS ARE ALL FACTORY
PRE-SET BEFORE SHIPMENT.
DO NOT ATTEMPT TO RE-ADJUST THE LASER PICK-UP UNIT DURING REPLACEMENT OR SERVICING.
3-UNDER NO CIRCUMSTANCES STARE INTO THE PICK-UP LENS AT ANY TIME.
4-CAUTION-USE OF CONTROLS OR ADJUSTMENTS, OR PERFORMANCE OF PROCEDURES OTHER THAN THOSE
SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION EXPOSURE.

CAUTION Laser Diode Properties

Material: GaAlAs
miss I LASER PRﬂDllCT \éVaYelengtS- 75:0 hm _ A
"ﬂag", 1 mm Hg cum I missron ura ion. continuous
rnnnucm um ue ruse l Laser Output: max. 0.6 mW

.This Mini Component System is classified as a CLASS
1 LASER product.

0 The CLASS 1 LASER PRODUCT label is located on the
rear cover.

0 Use of controls, adjustments or performance of proce-
dures other than those specified herein may result in
hazardous radiation exposure.

As the laser beam used in this compact disc player is
harmful to the eyes, do not attempt to disassemble the
cabinet. Refer servicing to qualified personnel only.

munnmwrsim mm amnion \viiav mm m vor 5mm Nu)
MAM 0x V|DV ommv mm 0mm msmmms

any uusvnuc. Mmzmmc we
mm iLER m: MILD ovum mmwavmz
mm ,wnnum oLn' AL'nllAA NAKthmrx
Am numA surf-jaw Aunt mm: mm om
vammmmuc. mmnmwtm wz mum DEL AR 017mm
mam mm x smALEN om BETRAKTA a mum mvow 0mm
wsmrMn-r
K511 , [x mm: 1m
x: ms-mmmmz

VARO ! Avattaessa ja suojalukitus ohitettaessa olet alttiina nakymattémalle lasersateilylle. Ala katso sateeseen,
VARNING! Osynlig laserstralning nar denna del ar oppnad och sparren ar urkopplad. Betrakta ej stralen.
VOLTAGE SELECTION

The voltage selector is located on the AC voltage selector box. If adjustment is necessary. use a screwdriver in order to turn the
selector in either direction until the correct voltage figure is displayed in the window next to the adjustment screw.

QACCBOOOBAWOO QACCLOOOZAWOO

QACCE001 1AWOO 92LC§BD577B
D

92LPLUG027 92LPLUG155A
92LC6RD21652A

Figure 2 AC POWER SUPPLY CORD AND AC PLUG ADAPTOR
_ 2 _